Casey D. Johnston, MD

Casey Johnston, MD

Casey Johnston, MD

Dr. Johnston joined Glacial Lakes Orthopaedics in August of 2010 after completing an orthopaedic surgery residency at the University of Nebraska Medical Center and a sports medicine fellowship at the Minnesota Orthopaedic Sports Medicine Institute in Minneapolis, MN.

Dr. Johnston treats a wide variety of orthopaedic conditions and has advanced training in sports medicine and the care of injured athletes. He currently is a member of the Sports Medicine PLUS team and serves as a team physician for the Watertown, Hamlin, and Great Plains Lutheran high schools.  Prior to coming to Watertown, Dr. Johnston was an assistant team physician for the University of Minnesota football and wrestling teams, and team physician for the Hamline University football and hockey teams.

Dr. Johnston enjoys spending time with his wife and two daughters.  He also enjoys fishing, hunting, and attending sporting events throughout the area.

Dr. Johnston sees patients at Prairie Lakes Hospital in Watertown, SD as well as outreach locations in Ortonville, MN and Sisseton, SD.

Make an Appointment

If you would like to schedule an appointment with Dr. Johnston, please call our office at 605-882-2630.

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Clinical Interests

  • Sports Medicine
  • Arthroscopic Surgery
  • Hip and Knee Replacement
  • Shoulder and Elbow
  • Foot and Ankle
  • Trauma
  • Pediatrics

Board Certification

  • American Board of Orthopaedic Surgery 2012


University of Nebraska Medical Center, Omaha, NE
Bachelor of Science in Radiation and Nuclear Medicine 1994-1999

Medical  School
University of Nebraska Medical Center , Omaha, NE
MD 2000-2004

University of Nebraska Medical Center, Omaha, NE
Orthopaedic Surgery 2004-2005

University of Nebraska Medical Center, Omaha, NE
Orthopaedic Surgery 2005-2009

Fellowship Training
MOSMI Minnesota Orthopaedic Sports Medicine Institute , Minneapolis, MN
Specialization: Sports Medicine 2009-2010

Hospital and Academic Affiliations

  • Coteau De Prairie Clinic | Sisseton, SD
  • Prairie Lakes Healthcare System | Watertown, SD
  • Ortonville Area Health Services | Ortonville, MN

Society Memberships

  • American Academy of Orthopaedic Surgery
  • American Orthopaedic Society for Sports Medicine
  • Mid-America Orthopaedic Association
  • South Dakota State Medical Association
  • Watertown District Medical Society



“Patient Satisfaction with an Organized Joint Camp Approach in Total Hip and Knee Arthroplasty”
Otterberg ET, Johnston CD, Kelly CM, Phillips SP, O’Malley TK MID-AMERICA ORTHOPAEDIC ASSOCIACTION Orlando FL 2008

“Bridge Plating for Primarily Ligamentous Lisfranc Fractures”
Johnston CD, Dietrich M, McMullen S, Fitzgibbons T, Inda D, Grier K MID–AMERICA ORTHOPAEDIC ASSOCIATION, Amelia Island Plantation, FL 2009

“Return To Athletics Following Fasciotomy for Chronic Exertional Compartment Syndrome”


  • “Congenital Knee Dislocations and Tibial Bowing” April 2006
  • “Pain Management in the Orthopaedic Patient” December 2007
  • “Complex Regional Pain Syndrome” February 2008
  • “On Field Management of Cervical Spine Injuries” February 2009
  • “Scary Cases in Sports Medicine” October 2009
  • “Chronic Exertional Compartment Syndrome” November 2010
  • “Role of Platelet Rich Plasma in Sports Medicine” January 2010
  • “Sports Related Wrist Injuries” February 2010
  • “Orthopaedics 101: Common Lower Extremity Injuries” February 2010
  • “Orthopaedics 101: Common Upper Extremity Injuries” March 2010